Auto merge of rust-lang#128881 - GuillaumeGomez:rollup-wlyb21s, r=GuillaumeGomez

Rollup of 8 pull requests

Successful merges:

 - rust-lang#128815 (Add `Steal::is_stolen()`)
 - rust-lang#128822 (add `builder-config` into tarball sources)
 - rust-lang#128838 (rustdoc: do not run doctests with invalid langstrings)
 - rust-lang#128852 (use stable sort to sort multipart diagnostics)
 - rust-lang#128859 (Fix the name of signal 19 in library/std/src/sys/pal/unix/process/process_unix/tests.rs for mips/sparc linux)
 - rust-lang#128864 (Use `SourceMap::end_point` instead of `- BytePos(1)` in arg removal suggestion)
 - rust-lang#128865 (Ensure let stmt compound assignment removal suggestion respect codepoint boundaries)
 - rust-lang#128874 (Disable verbose bootstrap command failure logging by default)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors